Review this flashcards to prepare for your quiz on characteristics of life and themes of Biology

Bio means:

Life or living

Ology means:

The study of

Biology

The study of life

Organism

Any living thing

What are the 8 characteristics of life?

1. Homeostasis
2. Made of cells
3. Evolve
4. Responsiveness
5. Growth
6. Reproduction
7. Metabolism
8. Have DNA

Metabolism

Combination of chemical reactions through which an organism builds up or breaks down materials.

Cells

Smallest unit of structure and function in living things.

Prokaryotes

Single-cell organisms
Do not have a nucleus
Example(s): bacteria

Eukaryotes

Single cell or multi-celled organisms
Have a nucleus
Example(s): any cell other than a bacteria cell - blood cell, paramecium, amoeba, plant cell, bone cell.

DNA

Molecule in which organisms store the complex information they need to live, grow, and reproduce.

Evolution

Change over time

Mutations

Change occurs in organisms because of genetic _______________________ (changes in DNA) which can make them more or less adapted to the environment.

Responsiveness

Organisms respond to their environment and adapt (or adjust) to the conditions.

Stimulus

Signal to which an organism responds

Reproduction

Process by which organisms make more of their own kind

Asexual Reproduction

A single parent passes copies of all its genes to each of its offspring.

Example of an organism that does asexual reproduction

Bacteria, protist, hydra

Growth

An increase in the size or number of cells

Cells

Basic unit of life, capable of performing life functions.

All living organisms are made up of one or more _________.

Cells

Homeostasis

A regulatory process in which an organism regulates its internal environment. Maintaining stable internal conditions by regulating water, temperature, salt, sugar, etc.

Homeostasis

The cause of death of an organism is always the loss of ________________.

Sexual reproduction

Two parents form reproductive cells and cells are combined.

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